How to make secure file transfer from remote host to your local host

                                                                                                                   step 1
                                                                                          scp  /root/Desktop/filename.png  root@192.168.1.2:root/Desktop

step 2 

connect over ssh to your server or remote host

step 3

change directory to  file you need 

cd /Documents/

step 4

if ssh not enabled  or disconnected 

use command on your local host 

(or enable ssh)

service ssh restart

192.168.8.21

step 5

scp lastrec root@192.168.1.2:/root/Desktop/datab

(don't forget use    sudo)

step 6

om my local host 192.168.1.2

step 7

on my remote server  192.168.1.21

 the end.

you have to be connected over ssh to remote host

 and  in your case possibly

scp  /home/john/file you want to   username@192.168.1.13:/home/adam/Desktop